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单词 holothurian
释义

holothurian

/ˌhɒlə(ʊ)ˈθjʊərɪən /
noun Zoology
A sea cucumber.In fact, crinoids, holothurians, and ophiuroids rule the floor of the deep oceans at depths below 500 metres....
  • There was significantly greater population density of holothurians when a coral reef was adjacent to the mangroves than a shoreline with coral reef alone or mangroves alone.
  • The water vascular system, found in all echinoderms, accommodates the elongated body of the holothurians.

Origin

Mid 19th century: from the modern Latin genus name Holothuria (from Greek holothourion, denoting a kind of zoophyte) + -an.

Rhymes

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更新时间:2024/12/22 17:06:53